[PATCH 2/2] mtd: spi-nor: spansion: add die erase support in s28hx-t

From: Takahiro Kuwano

Date: Fri Apr 17 2026 - 00:14:23 EST


S28Hx-T family has multi-die devices that support die erase opcode.
Update die erase opcode when the device is multi-die.

Signed-off-by: Takahiro Kuwano <takahiro.kuwano@xxxxxxxxxxxx>
---
drivers/mtd/spi-nor/spansion.c | 3 +++
1 file changed, 3 insertions(+)

diff --git a/drivers/mtd/spi-nor/spansion.c b/drivers/mtd/spi-nor/spansion.c
index b6023076903a..65227d989de1 100644
--- a/drivers/mtd/spi-nor/spansion.c
+++ b/drivers/mtd/spi-nor/spansion.c
@@ -762,6 +762,9 @@ static int s28hx_t_late_init(struct spi_nor *nor)
params->ready = cypress_nor_sr_ready_and_clear;
cypress_nor_ecc_init(nor);

+ if (params->n_dice > 1)
+ params->die_erase_opcode = SPINOR_OP_CYPRESS_DIE_ERASE;
+
return 0;
}


--
2.43.0